1 hour hourglass big bigger,

A big bigger hourglass 20cm high TIMER,1hour,Take very fine desert sand,

no support required no support required,

large round against warping so this side should be on the printbed,

but as you can see on the picture you can best take a 1,5 a 2mm wall for the brightness,

would appreciate it if you print this please let me know,,

happy printing